メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.30941512226 43.1149366055179, 141.309746847529 43.1152527809661, 141.310066666855 43.1155568299597, 141.3104276448 43.1159065780184, 141.30933678044 43.1165032213255, 141.308179861802 43.1171429891375, 141.307820469484 43.1167780580316, 141.307525547852 43.1164785680826, 141.307501506855 43.1164562165266, 141.307174376617 43.1161538591074, 141.30684460964 43.1158359351249, 141.307983910964 43.1152046854871, 141.308507086087 43.1149112151791, 141.309061608904 43.1146078730337, 141.30941512226 43.1149366055179)) ^^http://www.opengis.net/ont/geosparql#wktLiteral